html,body,#app{
    width:100%;
    height: 100%;
    margin:0;
    padding:0;
    min-width: 1366px;
}
.mt-15{
    margin-top:15px;
}
.el-breadcrumb {
    margin-bottom: 15px;
    font-size: 12px;
}
.el-step__title{
    font-size:13px;
}
.ql-editor{
    min-height: 300px;
}